ECI-H4R-CF (relieved neck) :  4 flute endmills with different helix (35° & 37°) and variable pitch for chatter dampening with assorted radii and relieved shanks. Used for very high material removal rates roughing and finishing operations. Full slot milling-up to 2XD.  
 
 
Shouldering Slotting Ramp down Helical interpolation
  Designation
D

d

ap

H

L

Flute

r

Rd°

ShankC-Cylindrical, W-Weldon
fz
(min)
fz
(max)

  Grade
  ECI-H4R 375-750/1.25C02CF  .375  .375  .750  1.250  3.000  4  .020  5.0  C  .0015  .0045 IC900

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